Finding the Fourth Proportional to 482,916,690.80, 724,375,036.20 and 445,609,532.60
Calculator
Solution
The fourth proportional to 482,916,690.80, 724,375,036.20 and 445,609,532.60 is: 668,414,298.90
Step by Step Solution
- Step 1: Write the proportion equation
482,916,690.80 : 724,375,036.20 = 445,609,532.60 : x - Step 2: Convert to fraction form
482,916,690.80/724,375,036.20 = 445,609,532.60/x - Step 3: Cross multiply
482,916,690.80x = 724,375,036.20 × 445,609,532.60 - Step 4: Simplify right side
482,916,690.80x = 322,788,421,308,190,144 - Step 5: Solve for x
x = 322,788,421,308,190,144/482,916,690.80 - Step 6: Final answer
x = 668,414,298.90
Related Problems
Find fourth proportional to 241,458,345.40, 362,187,518.10 and 222,804,766.30
Half scale
Find fourth proportional to 965,833,381.60, 1,448,750,072.40 and 891,219,065.20
Double scale
Find fourth proportional to 482,916,691.80, 724,375,037.70 and 445,609,533.60
Similar ratio
Find fourth proportional to 724,375,036.20, 1,086,562,554.30 and 668,414,298.90
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.